User's Manual

Physical description
3-10 iRM4451nn00-2 iRRH Product Description and Installation Guide
NOTE
Remove the dust cap only when ready to connect the cable to the
iRM4451nn00-2.
The GigE optical fronthaul cables are supplied and pre-installed at the site by the
Installer. Detailed assembly instructions (Rosenberger PN MA_98A1) are supplied with
each Rosenberger RFE in its packing box.
3.2.6 Alarms connector
There is a panel-mount plug connector (ALARMS) located on the side of the
iRM4451nn00-2 for aggregating alarms from equipment near the macro iRRH. It is
a Lumberg 03 series 12-pin screw-lock circular DIN connector.
The alarms cable receptacle (plug) is provided as a kit. It includes a Lumberg
circular DIN connector (part no. 0322 12) with 12-contacts, and is iP68 and RoHS
compliant. It is keyed to prevent mis-mating.
The compatible alarms cable must be a 4-pair, 23–24 AWG (0.26–0.20 mm
2
) with
cable OD 4–8
mm, shielded, ruggedized, oil resistant, and outdoor rated at –40°
to 131° F (–40° to 55° C), or equivalent. Connector pin assignments are shown in
Table 3-3.
Table 3-3 Lumberg 0315 12 alarm connector details
The Installer is responsible for supplying the cable and cable pre-assembly,
including defining the wire-color matched to pin assignments for the plug
assembly. The final wire-color pin assignments are recorded into the site log.
Pin
number
Pin
assignment
Function
1 Pin A NA
2 Pin B NA
3 Pin C NA
4 Pin D NA
5 Pin E Alarm1-A
6 Pin F Alarm1-B
7 Pin G Alarm2-A
8 Pin H Alarm2-B
9 Pin J Alarm3-A
10 Pin K Alarm3-B
11 Pin L Alarm4-A
12 Pin M Alarm4-B